Description

Stearolic Acid is a monounsaturated fatty acid characterized by a terminal alkyne group, offering unique reactivity for chemical synthesis. This compound serves as a valuable bifunctional building block in organic and polymer chemistry, enabling the creation of specialized materials with tailored properties. It is essential for R&D and production in industries such as pharmaceuticals, advanced polymers, and specialty surfactants.

Application

• Pharmaceutical Intermediate: Used in the synthesis of bioactive molecules and prodrugs, leveraging its alkyne functionality for click chemistry and targeted modifications.
• Polymer & Resin Modifier: Acts as a monomer or cross-linking agent to introduce rigidity, hydrophobicity, or reactive sites into polymers, coatings, and composites.
• Specialty Surfactant & Lubricant Precursor: Serves as a key raw material for manufacturing high-performance, non-ionic surfactants and synthetic lubricants with enhanced stability.
• Organic Synthesis Reagent: Employed as a versatile C18 synthon for constructing long-chain compounds, macrocycles, and dendritic structures in research and fine chemical production.
• Cosmetic & Personal Care Ingredient: Utilized in the formulation of premium skin care products for its emollient properties and as a base for ester derivatives.
• Agrochemical Intermediate: Incorporated into the synthesis of specialized adjuvants and active ingredients that require specific fatty acid backbones.

Basic Information

Product Name	Stearolic Acid
CAS No.	506-24-1
Molecular Formula	C₁₈H₃₂O₂
Molecular Weight	280.45 g/mol
Synonyms	9-Octadecynoic Acid; 9-Octadecynoic acid; Tariric Acid; 9-Stearolic Acid; (Z)-9-Octadecen-12-ynoic Acid; 9-Octadecene-12-ynoic Acid; 12-Octadecynoic Acid
EINECS	208-042-3

Quality Control

Our Stearolic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider an inert atmosphere to minimize oxidation risk.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	48 - 52 °C
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.